package com.bootdo.xiao.suggest;

import java.util.ArrayList;
import java.util.List;

/**
 * @Auther: liuj
 * @Date: 2019/6/17 17:23
 * @Description:建议39：使用匿名类的构造函数(理解l1、l2、l3差异)
 */
public class Suggest39 {
    public static void main(String[] args){
        List l1 = new ArrayList();
        List l2 = new ArrayList(){};
        List l3 = new ArrayList(){{}};
    }
}
